* {
    margin: 0;
    padding: 0;
}

div {
    margin-top: 20px;
}

button {
    color: rgb(255, 255, 255);
    background-color: green;
    width: 60px;
    height: 25px;
    border-color: green;
}

body {
    font-family: "微软雅黑", "宋体";
    font-size: 14px;
    background-color: fcfcfc;
}

a {
    text-decoration: none;
    color: black;
}

ul {
    list-style: none;
}

.layout {
    width: 1200px;
    margin: 0 auto;
    overflow: hidden;
}

#top-bar {
    width: 100%;
    height: 50px;
    background-color: rgb(213, 213, 213);
}

#logo {
    padding-left: 160px;
}

#login {
    padding-right: 160px;
}

#logo p {
    text-align: center;
    width: 60px;
    height: 100%;
    background-color: red;
    color: rgb(255, 255, 255);
    float: left;
    font-size: 10px;
}

#login p {
    text-align: center;
    width: 60px;
    height: 100%;
    background-color: red;
    color: rgb(255, 255, 255);
    float: right;
    font-size: 10px;
}


/* #header {
    background-color: rgb(137, 137, 137);
    height: 80px;
} */

#tilte {
    float: left;
}

#title h1 {
    font-size: 20px;
}

#title p {
    font-size: 10px;
}

#navigation {
    float: right;
}

#navigation li {
    float: left;
}

#navigation a {
    width: 90px;
    height: 15px;
    line-height: 15px;
    text-align: center;
    display: block;
    border-radius: 32px;
    background-color: white;
    color: #000000;
    margin: 0, 2px;
}

#navigation a.on {
    color: #00a1d6;
}

#navigation a:hover {
    color: #00a1d6;
}

.lunbo {
    width: 45%;
    background-color: bisque;
}

.content {
    width: 100%;
    height: 250px;
    margin: 0 auto;
    position: relative;
}

#item {
    width: 100%;
    height: 100%;
}

.item {
    position: absolute;
    opacity: 0;
    transition: all 1s;
}

.item.active {
    opacity: 1;
}

img {
    width: 100%;
    height: 250px;
}

#btn-left {
    width: 30px;
    height: 69px;
    font-size: 30px;
    color: white;
    background-color: rgba(0, 0, 0, 0.4);
    line-height: 69px;
    padding-left: 5px;
    z-index: 10;
    /*始终显示在图片的上层*/
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-60%);
    /*使按钮向上偏移居中对齐*/
    cursor: pointer;
    opacity: 0;
    /*平时隐藏*/
}

.lunbo:hover #btn-left {
    /*鼠标滑入，显示图标*/
    opacity: 1;
}

#btn-right {
    width: 26px;
    height: 69px;
    font-size: 30px;
    color: white;
    background-color: rgba(0, 0, 0, 0.4);
    line-height: 69px;
    padding-left: 5px;
    z-index: 10;
    position: absolute;
    right: 0;
    top: 50%;
    cursor: pointer;
    opacity: 0;
    transform: translateY(-60%);
}

.lunbo:hover #btn-right {
    opacity: 1;
}

#circle {
    height: 20px;
    display: flex;
    position: absolute;
    bottom: 35px;
    right: 25px;
}

.circle {
    width: 10px;
    height: 10px;
    border-radius: 10px;
    border: 2px solid white;
    background: rgba(0, 0, 0, 0.4);
    cursor: pointer;
    margin: 5px;
}

.white {
    background-color: #FFFFFF;
}

#question {
    width: 45%;
    height: 250px;
    background-color: rgb(209, 209, 209);
    float: right;
}

#little_title #question_title {
    padding-left: 50px;
    padding-top: 10px;
    float: left;
}

#little_title #input {
    float: right;
    padding-top: 10px;
}

#input button {
    background-color: #fff;
    color: #000;
    border-color: #fff;
}

#view {
    padding-left: 50px;
    padding-top: 30px;
}

#time {
    padding-right: 80px;
}

#username {
    padding-right: 80px;
}

#status {
    padding-left: 70px;
}

#question_title h2 {
    font-size: 18px;
}

#question ul {
    float: left;
}

#question li {
    padding-bottom: 28px;
}

#chart {
    width: 97%;
    height: 350px;
    background-color: rgb(216, 215, 216);
}

#pie_chart {
    width: 45%;
    height: 350px;
    background-color: rgb(212, 212, 212);
    float: left;
    left: 30px;
}

#bar_chart {
    width: 45%;
    height: 350px;
    background-color: rgb(209, 209, 209);
    float: right;
    right: 30px;
}

#footer {
    width: 100%;
    height: 350px;
    background-color: black;
    padding-left: 160px;
    padding-top: 80px;
    color: rgb(255, 255, 255);
}

#logo_footer p {
    text-align: center;
    width: 60px;
    height: 100%;
    background-color: red;
    color: rgb(255, 255, 255);
    float: left;
    font-size: 10px;
}

#information ul {
    float: left;
    margin-left: 80px;
}

#information li {
    line-height: 35px;
}

#information li p {
    color: rgb(255, 255, 255);
}

#information a.on {
    color: #00a1d6;
}

#information a:hover {
    color: #00a1d6;
}